EP2500002A1 - Vorrichtung zur intraokularen Injektion - Google Patents

Vorrichtung zur intraokularen Injektion Download PDF

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Publication number
EP2500002A1
EP2500002A1 EP11158598A EP11158598A EP2500002A1 EP 2500002 A1 EP2500002 A1 EP 2500002A1 EP 11158598 A EP11158598 A EP 11158598A EP 11158598 A EP11158598 A EP 11158598A EP 2500002 A1 EP2500002 A1 EP 2500002A1
Authority
EP
European Patent Office
Prior art keywords
eye
foot
distal
conjunctiva
superficial layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP11158598A
Other languages
English (en)
French (fr)
Inventor
designation of the inventor has not yet been filed The
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanofi Aventis Deutschland GmbH
Original Assignee
Sanofi Aventis Deutschland GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanofi Aventis Deutschland GmbH filed Critical Sanofi Aventis Deutschland GmbH
Priority to EP11158598A priority Critical patent/EP2500002A1/de
Priority to EP12707618.0A priority patent/EP2685947A1/de
Priority to JP2013558382A priority patent/JP2014515649A/ja
Priority to PCT/EP2012/054103 priority patent/WO2012123355A1/en
Priority to CA2827723A priority patent/CA2827723A1/en
Priority to US14/002,181 priority patent/US20130338612A1/en
Publication of EP2500002A1 publication Critical patent/EP2500002A1/de
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/0008—Introducing ophthalmic products into the ocular cavity or retaining products therein
    • A61F9/0017—Introducing ophthalmic products into the ocular cavity or retaining products therein implantable in, or in contact with, the eye, e.g. ocular inserts

Definitions

  • the present invention relates to an apparatus for intraocular injection and a corresponding method.
  • An intraocular injection is used to treat eyes, such as eyes of mammals having eye disorders or diseases.
  • a number of vision-threatening disorders or diseases of the eye need to deliver a drug (medicament or proteins or the like) by intraocular delivery (more specifically intravitreal delivery), especially when it is useful to deliver high concentrations of drugs.
  • One such technique for intraocular delivery is accomplished by intraocular injection of the drug or capsules containing the drug directly into the vitreous body or by locating a device or capsule containing the drug in the vitreous with a syringe. Such an operation is used in particular for injection of compositions in the vitreous body of the eye in order to treat diseases affecting the retina or choroid, or ciliary body or the lens.
  • any drug delivery device closes and heals or seals as quickly and completely as possible after withdrawal of the drug delivery device. Sealing prevents reflux of the delivered drug, reduces internal eye pressure, heals the eye tissue affected (e.g. sclera), and prevents infections and other complications.
  • the known apparatus is constructed in the way that the flexible leg is the first portion of the apparatus to come into contact with the eye. Thus, if the leg does not grip the superficial layer of the eye or simply flexes without causing displacement of the superficial layer, the desired displacement of the superficial layer over the underlying layer will not be achieved. Further, during downward movement of the known apparatus, the placement of the apparatus may be imprecise and therefore the point of insertion of the needle may be incorrect. However, it is important to exactly find the right position for puncturing the eye in order to avoid damaging structures located in front or in the rear of the vitreous body. The known apparatus may tend to slide away from the desired point of insertion.
  • an apparatus for intraocular injection comprises a body adapted to accommodate an injection device and a displacement device coupled to a distal portion of the body.
  • the displacement device comprises a first portion and a second portion connected to the first portion. Axial movement of the first portion within the body in a distal direction causes the second portion to displace a superficial layer of an eye relative to an underlying layer of the eye.
  • the second portion may be adapted to perform a linear and/or rotational movement in order to displace the superficial layer of the eye over the underlying layer.
  • the apparatus may further comprise an apparatus placement foot coupled to the distal portion of the body.
  • the apparatus placement foot may include a positioning component for aligning the apparatus placement foot on the eye.
  • the first portion may be connected to the second portion via a spring, which biases the injection device in a retracted position within the body.
  • the second portion may comprise an arm having a proximal end coupled to the second portion and a distal end coupled to a manipulating foot. Distal surfaces of the manipulating foot and the placement foot may be in a same plane.
  • the second portion may comprise a rotatable manipulating rod, at least two hinged gripping legs, and/or a displacement limiting mechanism. Axial movement of the first portion in a proximal direction may cause the second portion to at least one of (i) return the superficial layer to a starting position and (ii) release the superficial layer.
  • the injection device may comprise a needle, and the needle may be inserted into the eye after the second portion has displaced the superficial layer.
  • the invention in another exemplary embodiment, includes a conjunctiva displacement device comprising a first portion adapted to engage an injection device and moveable in a first plane and a second portion coupled to the first portion.
  • the second portion may be adapted to displace a superficial layer of an eye in a second plane based on movement of the first portion in the first plane.
  • Figures 1 to 6 illustrate an exemplary embodiment of an apparatus for intraocular injection comprising a body 101.
  • the body 101 which may generally be formed as a hollow tube to accommodate an injection device, e.g., a syringe 106 or a cartridge and needle, comprises a distal section 102, a middle section 103 and a proximal section 104.
  • the distal section 102 of the body 101 includes an apparatus placement foot 105 which may rest on an external surface of an eye 50 as depicted in Figures 1 , 2 , 4a, 4b , 5 , and 6 .
  • the foot 105 may include a positioning component on a lateral portion thereof which facilitates positioning of the apparatus for injection.
  • the positioning component may be a circular portion which is meant to be aligned with a circumference of a cornea of the eye 50.
  • the positioning component may be arranged so that, when properly aligned with the cornea, the apparatus is positioned to deliver an injection through a conjunctiva 51 and sclera 52 and into a posterior portion of the eye 50 and thereby ensures that a needle 107 of the syringe 106 does not pierce the limbus or the lens.
  • the body 101 is sized and shaped to receive the syringe 106 therein.
  • the body 101 and the syringe 106 may be separate components or formed as a single device (e.g., a user does not have access to the syringe 106).
  • a neck 108 of the syringe 106 is supported by a proximal end of a conjunctiva displacement device 110 disposed at a distal end of the body 101.
  • the conjunctiva displacement device 110 comprises a proximal end forming an annular supporting ring 112 which abuts the neck 108 of the syringe 106 and a second ring 115, distal to the supporting ring 112.
  • the supporting ring 112 and the second ring 115 are coupled together via a coil spring 113.
  • a distal end of the second ring 115 is coupled to a proximal end of an arm 116.
  • a distal end of the arm 116 is coupled to a manipulating foot 117, which in this exemplary embodiment is depicted as being U-shaped.
  • the displacement device 110 may be produced as one piece, for example by molding, and be made from various materials alone (e.g., plastic) or in combination (e.g., metal and plastic).
  • the proximal end of the arm 116 may be hingedly connected to the second ring 115, and the distal end of the arm 116 may be hingedly connected to the manipulating foot 117.
  • the proximal end of the arm 116 may be fixed to the second ring 115, and the distal end of the arm 116 may be fixed to the manipulating foot 117.
  • the arm 116 may be elastically deformable, having a spring-like effect.
  • the foot 105 surrounds the manipulating foot 117 partially.
  • foot 105 surrounds manipulating foot 117 fully.
  • the arm 116 is connected to the manipulating foot 117 at a central section 119 of thereof.
  • the manipulating foot 117 includes a displacement limiting mechanism comprising a cam 120 moveable within a recess 121 formed in the foot 105.
  • a length of the recess 121 may be selected based on a desired displacement of the manipulating foot 117 in a first direction.
  • the foot 105 may also have a stop formed behind the central section 119 which may limit movement of the manipulating foot 117 in a second direction.
  • the apparatus may be utilized to administer a drug or the like into an eye, e.g. the vitreous body.
  • a drug or the like into an eye
  • the needle 107 of the syringe 106 may be contained within the body 101, e.g., to prevent injury, and a distal opening of the body 101 and/or the foot 105 may be covered with a film to maintain sterility of the needle 107.
  • the needle 107 may be covered with a cap (not shown).
  • the displacement device 110 is accommodated within the body 101 at a distal end thereof.
  • a physician moves the eye lids of the patient apart using an eye lid retractor.
  • the foot 105 may then be used to align with the cornea to ensure that the injection site will not pierce the cornea, lens or limbus, but be directed into the vitreous.
  • the foot 105 (or a portion thereof) may be made from a transparent material such that alignment with a periphery of the cornea may be facilitated.
  • distal surfaces of the foot 105 and the manipulating foot 117 are in the same plane such that when the foot 105 is positioned on the eye, the manipulating foot 117 is also in contact with the eye.
  • the physician may depress a plunger or similar depressable element coupled to the body 101 and/or the syringe 106 which advances the syringe 106 distally within the body 101 towards the injection site.
  • the neck 108 abuts the ring 112 and urges it distally, compressing the spring 113 and urging the second ring 115 distally.
  • the distal movement of the second ring 115 causes the arm 116 to bend, pushing the manipulating foot 117 in the first direction, e.g., laterally and circumferentially across the eye. Because the manipulating foot 117 is in contact with the conjunctiva 51, movement of the manipulating foot 117 will result in corresponding movement of the conjunctiva 51, displacing the conjunctiva 51 relative to the sclera 52, prior to insertion of the needle 107.
  • the displacement of the conjunctiva 51 in the first direction may be limited to a pre-determined distance d (see Fig. 4b ). The pre-determined distance d may be limited by the length of the recess 121.
  • the arm 116 may be disposed at an angle with respect to the second ring 115 and the manipulating foot 117 such that a distal force applied to the arm 116 causes, additionally or alternatively to the bending of the arm 116, the angle with the second ring 115 to decrease and/or the angle with the foot 117 to increase, respectively, turning the respective hinges, and pushing the foot 117 (and the conjunctiva 51) in the first direction.
  • an underside of the foot 117 may include a frictional layer or other means for gripping, without injury, the conjunctiva 51. It is preferred that movement of the foot 117 does not change a position of the sclera 52.
  • Fig. 2 The situation where needle 107 punctures the eye 50 is illustrated in Fig. 2 .
  • the needle 107 first penetrates the displaced conjunctiva 51, then the sclera 52 and after that it penetrates into the vitreous body 53 of the eye 50.
  • the syringe 106 may be prevented from further axial movement within the body 101, and distally-directed force on the plunger of the syringe 106 causes the drug or the like contained within the syringe 106 to be administered into the vitreous body 53 (intravitreal injection).
  • a drug examples of such a drug are steroids or monoclonal antibodies used to treat macular degeneration.
  • Those of skill in the art will understand that various medicaments and/or therapeutic substances and/or implantable devices may be administered using the apparatus.
  • the syringe 106 is returned to its starting position and apparatus is removed from the eye 50.
  • the spring 113 may force the syringe 106 in a proximal direction, allowing the foot 117 to move in the second direction and the arm 116 to return to its starting position. Movement of the foot 117 in the second direction (and, in conjunction with an elastic nature of the conjunctiva 51) returns the conjunctiva 51 to its original position.
  • the central section 119 of the displacement device 110 may limit movement of the foot 117 in the second direction as it returns to its starting position.
  • the needle 107 is retracted within the body 101 or displacement device 110 such that a tip of the needle 107 is not exposed, thus preventing a needlestick injury.
  • a manual or automatic needle shield may be utilized to cover the needle 107 (or distal opening of the body 101 or the displacement device 110) after use.
  • a locking mechanism (not shown) may be utilized to prevent the syringe 106 from moving axially within the body 101 after the injection has been administered and the syringe 106 has returned to its original position
  • a punctured region (orifice) of the conjunctiva 51 is offset to the punctured region (orifice) of sclera 52, e.g., by the distance d, when the conjunctiva 51 is returned to its original position.
  • the conjunctiva 51 seals the orifice of the sclera 52, which may, for example, prevent reflux of the delivered drug, reduce the effects of the procedure on internal eye pressure, assist with the healing of the eye 50, and reduces the risk of infection.
  • Figures 7 to 10 show another exemplary embodiment of an apparatus for intraocular injection.
  • the differences between this exemplary embodiment and the exemplary embodiment described above can derived from the following explanations, wherein the reference numbers containing the same digits at the last position and next to last position of the number refer to the same elements as in the exemplary embodiment described above if not otherwise explained below. The same applies to another exemplary embodiment depicted in Figures 11 to 15 .
  • a conjunctiva displacement device 310 includes a supporting ring 312, a spring 313, a circular plate 315 and a manipulating rod 317. These elements are connected to each other in the mentioned order as it is shown in Fig. 10 .
  • the displacement device 310 may be formed as one integral (for example molded) piece or may be composed of several pieces.
  • the manipulating rod 317 is formed basically as a rod having a channel 318 through which the needle 307 may pass to deliver an injection to the eye 50.
  • the plate 315 has a respective opening (not shown) aligned with the channel 318.
  • the manipulating rod 317 is attached to (e.g., formed integrally with) the plate 315, extending distally therefrom.
  • the device 310 includes a displacement limiting mechanism comprising a distal surface of the plate 315 includes one or more helical cams 319, and a proximal surface of a distal end of the body 301 comprises one or more corresponding helical cams (not shown) at its inner surface of the middle section 303.
  • the supporting ring 312 forms the guiding portion of the displacement device 310 and the manipulating rod 317 is the displacement portion as described previously.
  • the apparatus placement foot 305 is aligned with the cornea to position the apparatus for an injection.
  • the foot 317 and a distal end of the manipulating rod 317 rest on the conjunctiva 51 of the eye 50 at a pre-determined position, for example the limbus region.
  • the syringe 306 is moved axially in a distal direction within the body 301 from a starting position and contacts the supporting ring 312. The syringe 306 distally displaces the supporting ring 312 of the displacement device 310 relative to the body 301.
  • the conjunctiva 51 seals the orifice of the sclera 52, which may, for example, prevent reflux of the delivered drug, reduce the effects of the procedure on internal eye pressure, assist with the healing of the eye 50, and reduces the risk of infection.
  • the syringe 306 after dispensing the drug, the syringe 306 is returned to its starting position and apparatus is removed from the eye 50.
  • the spring 313 may force the syringe 306 in a proximal direction, allowing the manipulating rod 318 to rotate in a second rotational direction back to its starting position. Rotation of the manipulating rod 318 in the second rotational direction (and, in conjunction with an elastic nature of the conjunctiva 51) returns the conjunctiva 51 to its original position.
  • the needle 307 is retracted within the body 301 or displacement device 310 such that a tip of the needle 307 is not exposed, thus preventing a needlestick injury.
  • a manual or automatic needle shield may be utilized to cover the needle 307 (or distal opening of the body 301 or the displacement device 310) after use.
  • a locking mechanism (not shown) may be utilized to prevent the syringe 306 from moving axially within the body 301 after the injection has been administered and the syringe 306 has returned to its original position.
  • the conjunctiva displacement device 410 consists of an annular supporting ring 408 forming a proximal guiding portion, a spring 413, and a second annular ring 415.
  • Deformable legs 417, 418 form a distal displacement portion of the displacement device 410.
  • the legs 417,418 are attached to the distal end of second ring 415 and connected by a cross rod 419.
  • each leg 417, 418 includes one or more grooves or hinges 417a and 418a formed above the cross rod 419.
  • the cross rod 419 aligns the legs 417, 418 ensuring that they move in the same plane.
  • the legs 417, 418 may also utilize the hinges 417a, 418a as a displacement limiting mechanism, as described below.
  • the body 401 may comprise an outer sleeve 402 and an inner sleeve 404.
  • the outer sleeve 402 fits telescopically on the inner sleeve 402 and is movable between first (retracted) and second (extended) positions.
  • the outer sleeve 402 may be in the retracted position to allow the physician to visualize the placement and alignment of the apparatus and the potential injection site.
  • the outer sleeve 402 When the injection is being administered or prior thereto (but after initial placement of the apparatus on the eye 50), the outer sleeve 402 may be deployed to the extended position to maintain sterility of the injection site. Those of skill in the art will understand that the outer sleeve 402 may be utilized in any of the embodiments described herein.
  • an apparatus placement foot 405 is formed from a distal end of the outer sleeve 402. In another exemplary embodiment, the placement foot 405 may be formed on a distal end of the inner sleeve 404. In the starting position, the legs 417, 418 may be in contact with the conjunctiva 51 but are not displacing it.
  • tips 417b, 418b may partly penetrate into the conjunctiva 51 in order to ensure good grip or may include some other mechanism (rubber/polymeric cuffs) for ensuring a frictional hold on the surface of the conjunctiva 51.
  • the syringe neck 408 applies a distally-directed force on the first annular ring 412.
  • the force is transmitted to the spring 413, which causes distal displacement of the second ring 415 and causes the legs 417 and 418 to buckle at the position of the grooves or hinges 417a, 418a.
  • the conjunctiva 51 is displaced laterally and circumferentially relative to the sclera 52. After the displacement of the conjunctiva 51, a force required to further buckle the legs 417, 418 is greater than the force required to compress the spring 413.
  • the syringe 406 is further advanced distally, compressing the spring 413 and allowing the needle 407 to puncture the displaced conjunctiva 51, the sclera 52 and the vitreous body 53 (see Figures 12 and 14 ).
  • the force of the spring 413 urges the syringe 406 proximally, and the legs 417, 418 relax back to their original position, concurrently dragging the conjunctiva 51 (and allowing for the elasticity of the conjunctiva 51 to return it) back to its original position so that the conjunctiva 51 seals the orifice of the sclera 52.
  • a punctured region (orifice) of the conjunctiva 51 is offset to the punctured region (orifice) of sclera 52 when the conjunctiva 51 is returned to its original position.
  • the conjunctiva 51 seals the orifice of the sclera 52, which may, for example, prevent reflux of the delivered drug, reduce the effects of the procedure on internal eye pressure, assist with the healing of the eye 50, and reduces the risk of infection.
  • the needle 407 is retracted within the body 401 or displacement device 410 such that a tip of the needle 407 is not exposed, thus preventing a needlestick injury.
  • a manual or automatic needle shield may be utilized to cover the needle 407 (or distal opening of the body 401 or the displacement device 410) after use.
  • a locking mechanism (not shown) may be utilized to prevent the syringe 406 from moving axially within the body 401 after the injection has been administered and the syringe 406 has returned to its original position.

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
EP11158598A 2011-03-17 2011-03-17 Vorrichtung zur intraokularen Injektion Ceased EP2500002A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP11158598A EP2500002A1 (de) 2011-03-17 2011-03-17 Vorrichtung zur intraokularen Injektion
EP12707618.0A EP2685947A1 (de) 2011-03-17 2012-03-09 Vorrichtung zur intraokularen injektion
JP2013558382A JP2014515649A (ja) 2011-03-17 2012-03-09 眼内注射用器具
PCT/EP2012/054103 WO2012123355A1 (en) 2011-03-17 2012-03-09 Apparatus for intraocular injection
CA2827723A CA2827723A1 (en) 2011-03-17 2012-03-09 Apparatus for intraocular injection
US14/002,181 US20130338612A1 (en) 2011-03-17 2012-03-09 Apparatus for intraocular injection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11158598A EP2500002A1 (de) 2011-03-17 2011-03-17 Vorrichtung zur intraokularen Injektion

Publications (1)

Publication Number Publication Date
EP2500002A1 true EP2500002A1 (de) 2012-09-19

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP11158598A Ceased EP2500002A1 (de) 2011-03-17 2011-03-17 Vorrichtung zur intraokularen Injektion
EP12707618.0A Withdrawn EP2685947A1 (de) 2011-03-17 2012-03-09 Vorrichtung zur intraokularen injektion

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP12707618.0A Withdrawn EP2685947A1 (de) 2011-03-17 2012-03-09 Vorrichtung zur intraokularen injektion

Country Status (5)

Country Link
US (1) US20130338612A1 (de)
EP (2) EP2500002A1 (de)
JP (1) JP2014515649A (de)
CA (1) CA2827723A1 (de)
WO (1) WO2012123355A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015187611A1 (en) * 2014-06-06 2015-12-10 Ethicon Endo-Surgery, Inc. Therapeutic agent delivery device with convergent lumen
GB2521754B (en) * 2013-11-22 2019-08-07 Salar Surgical Ltd A system for the positioning and safe use of a hypodermic needle

Families Citing this family (13)

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US20070202186A1 (en) 2006-02-22 2007-08-30 Iscience Interventional Corporation Apparatus and formulations for suprachoroidal drug delivery
US8197435B2 (en) 2006-05-02 2012-06-12 Emory University Methods and devices for drug delivery to ocular tissue using microneedle
EP2627292B1 (de) 2010-10-15 2018-10-10 Clearside Biomedical, Inc. Vorrichtung für okularen zugang
SG11201503637SA (en) 2012-11-08 2015-06-29 Clearside Biomedical Inc Methods and devices for the treatment of ocular diseases in human subjects
CN105246529B (zh) 2013-05-03 2019-06-14 科尼尔赛德生物医学公司 用于眼部注射的设备和方法
EP3003454B1 (de) 2013-06-03 2020-01-08 Clearside Biomedical, Inc. Vorrichtung zur wirkstofffreisetzung mit mehreren reservoirs
WO2015196085A2 (en) 2014-06-20 2015-12-23 Clearside Biomedical, Inc. Variable diameter cannula and methods for controlling insertion depth for medicament delivery
USD750223S1 (en) 2014-10-14 2016-02-23 Clearside Biomedical, Inc. Medical injector for ocular injection
US20160120694A1 (en) * 2014-11-03 2016-05-05 Matthew Edward Carr Injection instrument and method
US10390901B2 (en) 2016-02-10 2019-08-27 Clearside Biomedical, Inc. Ocular injection kit, packaging, and methods of use
WO2017192565A1 (en) 2016-05-02 2017-11-09 Clearside Biomedical, Inc. Systems and methods for ocular drug delivery
WO2018031913A1 (en) 2016-08-12 2018-02-15 Clearside Biomedical, Inc. Devices and methods for adjusting the insertion depth of a needle for medicament delivery
WO2018204515A1 (en) 2017-05-02 2018-11-08 Georgia Tech Research Corporation Targeted drug delivery methods using a microneedle

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Publication number Priority date Publication date Assignee Title
WO2000007530A2 (en) * 1998-08-03 2000-02-17 Insite Vision, Inc. Injection apparatus
FR2842112A1 (fr) * 2002-07-12 2004-01-16 Becton Dickinson France Accessoire pour seringue
WO2008084064A1 (en) 2007-01-09 2008-07-17 Fovea Pharmaceuticals Apparatus for intra-ocular injection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000007530A2 (en) * 1998-08-03 2000-02-17 Insite Vision, Inc. Injection apparatus
FR2842112A1 (fr) * 2002-07-12 2004-01-16 Becton Dickinson France Accessoire pour seringue
WO2008084064A1 (en) 2007-01-09 2008-07-17 Fovea Pharmaceuticals Apparatus for intra-ocular injection
WO2008084063A1 (en) 2007-01-09 2008-07-17 Fovea Pharmaceuticals Apparatus for intra-ocular injection

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2521754B (en) * 2013-11-22 2019-08-07 Salar Surgical Ltd A system for the positioning and safe use of a hypodermic needle
US10646371B2 (en) 2013-11-22 2020-05-12 Salar Surgical Ltd Injection system and method
WO2015187611A1 (en) * 2014-06-06 2015-12-10 Ethicon Endo-Surgery, Inc. Therapeutic agent delivery device with convergent lumen
US9949874B2 (en) 2014-06-06 2018-04-24 Janssen Biotech, Inc. Therapeutic agent delivery device with convergent lumen
CN109121390A (zh) * 2014-06-06 2019-01-01 轨道生物医学有限公司 具有收敛管腔的治疗剂递送装置
US10639193B2 (en) 2014-06-06 2020-05-05 Orbit Biomedical Limited Therapeutic agent delivery device with convergent lumen
CN109121390B (zh) * 2014-06-06 2020-12-11 陀螺仪治疗学有限公司 具有收敛管腔的治疗剂递送装置
US11672696B2 (en) 2014-06-06 2023-06-13 Gyroscope Therapeutics Limited Therapeutic agent delivery device with convergent lumen

Also Published As

Publication number Publication date
US20130338612A1 (en) 2013-12-19
WO2012123355A1 (en) 2012-09-20
JP2014515649A (ja) 2014-07-03
EP2685947A1 (de) 2014-01-22
CA2827723A1 (en) 2012-09-20

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